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SANLUIS Rassini uses high-quality Firestone Airide™ air springs and air management products for its R4Tech Suspensions system. Firestone has been selected as the worldwide sales agent for heavy duty pickup truck applications.

To obtain an R4Tech Suspension system for your pickup truck, follow this link to the Firestone Ride-Rite™ website.
There you will find links to the Firestone Ride-Rite™ Catalog and application guide where all R4Tech kits for Ford, GM & Dodge 3/4 and 1 ton trucks are found. You will also find a "Where to Buy" link that directs you to an international dealer directory.
Pickup-Truck Applications
Chevrolet/GMC Pickup Trucks
05-10 GM 2500 (4x2, 4x4) Long Bed, w/10.5" axle
05-10 GM 2500 (4x2, 4x4) Short Bed, w/10.5" axle
05-10 GM 3500 (4x2, 4x4) Long Bed, SRW/DRW, w/11.5" axle
05-10 GM 3500 (4x2, 4x4) Short Bed SRW/DRW, w/11.5" axle
2011 GM 2500 (4x2, 4x4) Long Bed, w/10.5" axle Coming Soon
2011 GM 2500 (4x2, 4x4) Short Bed, w/10.5" axle Coming Soon
2011 GM 3500 (4x2, 4x4) Long Bed, SRW/DRW, w/11.5" axleComing Soon
2011 GM 3500 (4x2, 4x4) Short Bed SRW/DRW, w/11.5" axleComing Soon
Dodge Pickup Trucks
10-11 Ram 2500 (4x2) SRW Regular and Quad Cab, w/10.5" axle Now Available
10-11 Ram 2500 (4x2) SRW Mega Cab, w/10.5" axle Now Available
10-11 Ram 2500 (4x4) SRW Regular and Quad Cab, w/10.5" axle Now Available
10-11 Ram 2500 (4x4) SRW Mega Cab, w/10.5" axle Now Available
06-09 Ram 2500 (4x2 only) Regular and Quad Cab, w/10.5" axle
06-09 Ram 2500 (4x2 only) Mega Cab, w/10.5" axle
06-09 Ram 2500 (4x4 only) Mega Cab, w/10.5" axle
06-09 Ram 2500 (4x4 only) Regular & Quad Cab, 10.5" axle
10-11 Ram 3500 (4x2) SRW Regular and Quad Cab, w/11.5" axle Now Available
10-11 Ram 3500 (4x2) SRW Mega Cab, w/11.5" axle Now Available
10-11 Ram 3500(4x2)DRW Regular, Quad and Mega Cab, w/11.5" axle Now Available
10-11 Ram 3500 (4x4) SRW Regular and Quad Cab, w/1.5" axle Now Available
10-11 Ram 3500 (4x4) SRW Mega Cab, w/11.5" axle Now Available
10-11 Ram 3500 (4x4) DRW Regular and Quad Cab, w/11.5" axle Now Available
10-11 Ram 3500 (4x4) DRW Mega Cab, w/11.5" axle Now Available
06-09 Ram 3500 (4x2 only) SRW, Mega Cab, w/11.5" axle
06-09 Ram 3500 (4x2 only) DRW, Regular,Quad and Mega Cab
06-09 Ram 3500 (4x2 only) SRW Regular & Quad Cab, w/11.5" axle
06-09 Ram 3500 (4x4 only) SRW, Regular & Quad Cab, w/11.5" axle
06-09 Ram 3500 (4x4 only) SRW/DRW, Mega Cab, w/11.5" axle
06-09 Ram 3500 (4x4 only) DRW, Regular & Quad Cab, w/11.5" axle
Ford Pickup Trucks
2011 F-250 (4x2) Long Bed, SRW, w/10.5" axle Now Available
2011 F-250 (4x2) Short Bed, SRW, w/10.5" axle Now Available
2011 F-250 (4x4) Long Bed, SRW, w/10.5" axle & 2" block Now Available
2011 F-250 (4x4) Short Bed, SRW, w/10.5" axle & 2" block Now Available
08-10 F-250 (4x2) Long Bed, SRW, w/10.5" axle
08-10 F-250 (4x2) Short Bed, SRW, w/10.5" axle
08-10 F-250 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
08-10 F-250 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
05-07 F-250 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
05-07 F-250 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
99-04 F-250 (4x2) Long Bed,SRW, w/10.5" axle
99-04 F-250 (4x2) Short Bed, SRW, w/10.5" axle
99-04 F-250 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
99-04 F-250 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
2011 F-350 (4x2) Long Bed, SRW, w/10.5" axle Now Available
2011 F-350 (4x2) Short Bed, SRW, w/10.5" axle Now Available
F2011 -350 (4x2) Long Bed, DRW, w/Dana 80 axle Now Available
2011 F-350 (4x2) Short Bed, DRW, w/Dana 80 axle Now Available
2011 F-350 (4x4) Long Bed, SRW, w/10.5" axle & 2" block Now Available
2011 F-350 (4x4) Short Bed, SRW, w/10.5" axle & 2" block Now Available
2011 F-350 (4x4) Long Bed, DRW, w/Dana 80 axle & 2" block Now Available
2011 F-350 (4x4) Short Bed, DRW, w/Dana 80 axle & 2" block Now Available
08-10 F-350 (4x2) Long Bed, SRW, w/10.5" axle
08-10 F-350 (4x2) Short Bed, SRW, w/10.5" axle
08-10 F-350 (4x2) Long Bed, DRW, w/Dana 80 axle
08-10 F-350 (4x2) Short Bed, DRW, w/Dana 80 axle
08-10 F-350 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
08-10 F-350 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
08-10 F-350 (4x4) Long Bed, DRW, w/Dana 80 axle & 2" block
08-10 F-350 (4x4) Short Bed, DRW, w/Dana 80 axle & 2" block
05-07 F-350 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
05-07 F-350 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
05-07 F-350 (4x4) Long Bed DRW, w/Dana 80 axle & 2" block
05-07 F-350 (4x4) Short Bed, DRW, w/Dana 80 axle & 2" block
99-04 F-350 (4x2) Long Bed, SRW, w/10.5" axle
99-04 F-350 (4x2) Short Bed, SRW, w/10.5" axle
99-04 F-350 (4x2) Long Bed, DRW, w/Dana 80 axle
99-04 F-350 (4x2) Short Bed, DRW, w/Dana 80 axle
99-04 F-350 (4x4) Long Bed, SRW, w/10.5" axle & 2" block
99-04 F-350 (4x4) Short Bed, SRW, w/10.5" axle & 2" block
99-04 F-350 (4x4) Long Bed, DRW, w/Dana 80 axle & 2" block
99-04 F-350 (4x4) Short Bed, DRW, w/Dana 80 axle & 2" block
For additional information including FAQs and press releases click on R4Tech by SANLUIS Rassini.




